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|Material||Plastic + iron|
|Specification||Size: 4.6cm x 3.5cm; Main chip: LM358; Input voltage: DC 5V~12V; Input current: >=100mA|
|Features||It is used as a square wave signal generator to generate a square wave signal for experimental development use; For generating drive a stepper motor drive of the square wave signal; Generates adjustable pulses for use of MCU; Generates adjustable pulse to control related circuit. Second, a brief description: Adjustable frequency range: 0.07Hz~2kHz (ie cycle 0.45 ms to about 15 seconds); Frequency adjustment method: Board has four short cap can select the frequency: Insert 0 shorting cap ( four short cap all off), is the high-frequency file, the longest period transferred to 0.3 seconds; Insert a short cap, the longest cycle can be transferred to four seconds; Insert two short cap, the longest cycle can be transferred to seven seconds; Insert three short cap, the longest cycle can be transferred to about 10 seconds; Insert four short cap, the longest cycle can be transferred to about 15 seconds; Duty cycle adjustment range: 0% to 100% (high / cycle); Output current: Strip 9012 transistor, so that driving ability is relatively strong, the output current can go to 500mA, the output can directly drive small relays or small motors|
|Application||Great for DIY project|
|Other||Duty cycle and frequency resolution adjustable; With output indicator: LED on when high level, LED off when low level; LED flashed when low frequency, LED steady on when high frequency.|
|Packing List||1 x Module|
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|Quantity||3+ units||5+ units||10+ units|
|Rate||US$3.30 shipped||US$3.29 shipped||US$3.28 shipped|
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